问题
选择题
Einstein’s theory, which was doubted by most scientists at first___out to be correct in the end.
A．proved
B．was proved
C．turned
D．tested
答案
答案：C
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Einstein’s theory, which was doubted by most scientists at first___out to be correct in the end.
A．proved
B．was proved
C．turned
D．tested
答案：C
